Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 88 insertions, 0 deletions

diff --git a/devtools/client/debugger/src/utils/source-maps.js b/devtools/client/debugger/src/utils/source-maps.js
new file mode 100644
index 0000000000..fb8dd005ee
--- /dev/null
+++ b/devtools/client/debugger/src/utils/source-maps.js
@@ -0,0 +1,88 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at <http://mozilla.org/MPL/2.0/>. */
+
+import { isOriginalId } from "devtools/client/shared/source-map-loader/index";
+import { getSource, getLocationSource } from "../selectors";
+
+export async function getGeneratedLocation(
+  state,
+  source,
+  location,
+  sourceMapLoader
+) {
+  if (!isOriginalId(location.sourceId)) {
+    return location;
+  }
+
+  const { line, sourceId, column } = await sourceMapLoader.getGeneratedLocation(
+    location
+  );
+
+  const generatedSource = getSource(state, sourceId);
+  if (!generatedSource) {
+    throw new Error(`Could not find generated source ${sourceId}`);
+  }
+
+  return {
+    line,
+    sourceId,
+    column: column === 0 ? undefined : column,
+    sourceUrl: generatedSource.url,
+  };
+}
+
+export async function getOriginalLocation(generatedLocation, sourceMapLoader) {
+  if (isOriginalId(generatedLocation.sourceId)) {
+    return location;
+  }
+
+  return sourceMapLoader.getOriginalLocation(generatedLocation);
+}
+
+export async function getMappedLocation(state, sourceMapLoader, location) {
+  const source = getLocationSource(state, location);
+
+  if (!source) {
+    throw new Error(`no source ${location.sourceId}`);
+  }
+
+  if (isOriginalId(location.sourceId)) {
+    const generatedLocation = await getGeneratedLocation(
+      state,
+      source,
+      location,
+      sourceMapLoader
+    );
+    return { location, generatedLocation };
+  }
+
+  const generatedLocation = location;
+  const originalLocation = await sourceMapLoader.getOriginalLocation(
+    generatedLocation
+  );
+
+  return { location: originalLocation, generatedLocation };
+}
+
+/**
+ * Gets the "mapped location".
+ *
+ * If the passed location is on a generated source, it gets the
+ * related location in the original source.
+ * If the passed location is on an original source, it gets the
+ * related location in the generated source.
+ */
+export async function getRelatedMapLocation(state, sourceMapLoader, location) {
+  const source = getLocationSource(state, location);
+
+  if (!source) {
+    return location;
+  }
+
+  if (isOriginalId(location.sourceId)) {
+    return getGeneratedLocation(state, source, location, sourceMapLoader);
+  }
+
+  return sourceMapLoader.getOriginalLocation(location);
+}